σύνεδρος
σύνεδρος
σύν-εδρος, ον,
ἕδρα
sitting with in council, of persons, Hdt.; ἐκ ξυνέδρου καὶ τυραννικοῦ κύκλου, ἐκ κύκλου τῶν συνεδρευόντων τυράννων, Soph.
as Subst. one who sits with others, a councillor, Soph.; σύνεδροι select commissioners, Thuc., etc.